package com.group.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import javax.annotation.Resource;
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
//    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }
    @Resource
    private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;
    @Resource
    private MyAccessDeniedHandler myAccessDeniedHandler;
    @Override
    protected void configure(HttpSecurity http) throws Exception {
                //关闭csrf
                http.csrf().disable()
                        .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                        .and()
                        .authorizeRequests()
                        // 对于登录接口 允许匿名访问
                        .antMatchers("/user/login").anonymous()
                        // 除上面外的所有请求全部需要鉴权认证
                        .anyRequest().authenticated()
                        .and()
                        .exceptionHandling()
                        .accessDeniedHandler(myAccessDeniedHandler);//权限不足的时候访问
        http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }



}
